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Humans
Smallpox redux: World body suggests keeping the virus
Fear of bioterrorism has led the World Health Organization to postpone its 2002 deadline for destruction of smallpox virus stocks so that scientists can refine current vaccines and improve defenses against the disease.
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Health & Medicine
The right fats: Omega-3 fatty acids soothe inflamed colons
A diet containing fish oil, which is rich in healthful omega-3 fatty acids, reduces symptoms of a colitis-like condition in rats.
By Ben Harder -
Health & Medicine
Anthrax-toxin component deciphered
Scientists have figured out the molecular structure of edema factor, a component of the anthrax toxin.
By Nathan Seppa -
Biology of rank: Social status sets up monkeys’ cocaine use
Male monkeys' position in the social pecking order influences their brain chemistry in ways that promote either resistance or susceptibility to the reinforcing effects of cocaine.
By Bruce Bower -
Tech
Little levers for satellites: Cilia may precisely dock tiny spacecraft
Tiny artificial hairs that imitate biological cilia flex with enough muscle and finesse to maneuver tiny satellites into place for docking with a mother ship.
By Peter Weiss -
Humans
Forbidden tests: Panel seeks ban on human clones
A national advisory panel has asked Congress to forbid cloning aimed at creating a child but urged the lawmakers to permit other medical experiments with cloned human cells.
By Nathan Seppa -
Chemistry
Making silicon naturally: Chemists glimpse organic substance in plankton
For the first time, researchers have found a compound composed of both carbon and silicon within a living organism.
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Health & Medicine
Cancer clue: RNA-destroying enzyme may thwart prostate-tumor growth
Scientists have found a mutated gene that predisposes men of some families to prostate cancer.
By John Travis -
From the January 23, 1932, issue
FLOODLIGHTS ILLUMINATE LONDON’S TOWER BRIDGE Light from a new age is cast upon the pointed heights of London’s Tower Bridge by floodlights turned on the structure during recent engineering and scientific celebrations in England. The Tower Bridge is just one of the many structures illuminated. This bridge across the Thames, one of the most famous […]
By Science News -
Health & Medicine
Painful Thoughts
It may not surprise people terrified by a visit to the dentist that one of the top pain research groups at the National Institutes of Health is located within the National Institute of Dental and Craniofacial Research. Check out the group’s history in NIDCR’s fascinating primer on the science of pain. Go to: http://history.nih.gov/exhibits/pain/
By Science News -
18990
The concluding comment in this article that both sexes preferred unsmeared birds doesn’t show any support for the researchers’ contention that non-UV-blocking smears didn’t impact the sexual behavior of birds. M.J. RaichykCincinnati, Ohio The researchers had noticed that birds preferred companions of the opposite sex with fluorescent feathers still glowing. But might this just be […]
By Science News -
Parrots will fluoresce for sex
A budgerigar's head literally glows for its mate, and both males and females of this parrot species prefer to court radiant partners.
By Susan Milius